LilyPad Arduino USB and lilypad xbee

Hi!
this is my first post, i started to use arduino 2 mounth ago.... but now this is my problem: i bought LilyPad Arduino USB and lilypad xbee

and i can not to comunicate arduino with lilypad.... in lilypad arduino usb i don't find RX and TX pin..
i see another lilypad with RX and TX

but I think the one I bought has pins RX and TX.
thank you!